| Starter | Tm | Tier | Game |
|---|---|---|---|
| Juan Marichal | SFN | 6.07 | 196808210_SFN_NYN |
| Dave McNally | BAL | 3.62 | 196808210_BAL_ANA |
| Tommy John | CHA | 3.25 | 196808220_CHA_DET |
| Stan Bahnsen | NYA | 3.02 | 196808231_DET_NYA |
| Dean Chance | MIN | 2.4 | 196808230_MIN_CHA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Joe Niekro | CHN | -3.24 | 196808230_CHN_HOU |
| Joe Sparma | DET | -3.04 | 196808232_DET_NYA |
| Tony Cloninger | CIN | -2.28 | 196808220_PIT_CIN |
| Rick Wise | PHI | -2.21 | 196808230_PHI_ATL |
| Jim Hunter | OAK | -1.95 | 196808220_ANA_OAK |
Based on accumulated WAA for this season up to 1968-08-23.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 10.56 | Bob Gibson | 234.7 | SLN |
| +003+ | 6.95 | Luis Tiant | 222.7 | CLE |
| +006+ | 6.22 | Sam McDowell | 206 | CLE |
| +007+ | 6.06 | Denny McLain | 261 | DET |
| +009+ | 5.74 | Jerry Koosman | 209 | NYN |
| +011+ | 5.6 | Juan Marichal | 273.7 | SFN |
| +013+ | 5.28 | Don Drysdale | 233 | LAN |
| +014+ | 5 | Tom Seaver | 216.7 | NYN |
| +015+ | 4.84 | Dave McNally | 206 | BAL |
| +023+ | 4.32 | Stan Bahnsen | 197.3 | NYA |
| +025+ | 4.05 | Tommy John | 177.3 | CHA |
| +026+ | 4.04 | Bob Veale | 200.3 | PIT |
| +036+ | 3.42 | Jim Hardin | 194.7 | BAL |
| +037+ | 3.38 | Bobby Bolin | 118 | SFN |
| +038+ | 3.16 | Dean Chance | 231.3 | MIN |
| +040+ | 3.14 | Woodie Fryman | 190.3 | PHI |
| +047+ | 2.87 | Gaylord Perry | 222.3 | SFN |
| +050+ | 2.7 | Jim Nash | 175.3 | OAK |
| +052+ | 2.61 | Pat Jarvis | 205.3 | ATL |
| +055+ | 2.53 | Tom Phoebus | 188 | BAL |
| +065+ | 2.22 | Mel Stottlemyre | 218.7 | NYA |
| +073+ | 1.99 | Bob Moose | 127.3 | PIT |
| +074+ | 1.98 | Mike Cuellar | 137 | HOU |
| +076+ | 1.94 | Tom Murphy | 99.3 | ANA |
| +077+ | 1.89 | Ray Washburn | 163 | SLN |
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